15530504023 has 2 divisors, whose sum is σ = 15530504024. Its totient is φ = 15530504022.

The previous prime is 15530503943. The next prime is 15530504029. The reversal of 15530504023 is 32040503551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15530504023 - 2¹⁷ = 15530372951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15530503982 and 15530504000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15530504029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7765252011 + 7765252012.

It is an arithmetic number, because the mean of its divisors is an integer number (7765252012).

Almost surely, 2^15530504023 is an apocalyptic number.

15530504023 is a deficient number, since it is larger than the sum of its proper divisors (1).

15530504023 is an equidigital number, since it uses as much as digits as its factorization.

15530504023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 15530504023 in words is "fifteen billion, five hundred thirty million, five hundred four thousand, twenty-three".